[AT] OT Hay truck

[Steve W.]

Cecil Bearden wrote:
> My 1991 4700 IHC old Highway dept truck is in need of an oil change.   
> It has the DT360 turbocharged engine.  It has 2 oil filters.  My 
> questions is: do these filters connect in series or parallel.   There 
> are 2 filters listed, a 16 micron and a 24 micron.   The price 
> difference is a bunch.  If these are in series, then I would want to put 
> the 24 as a primary and the 16 as secondary.  If they are in parallel, 
> then I would just bite the bullet and install both as 16 micron.   It 
> has not been changed since I bought the truck.   The truck only gets 
> about 50 miles a year use...
> 
> Cecil in OKla
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Series, the 24 first then the 16.
24 catches the big crap, 16 gets the rest.

-- 
Steve W.